MATERIAL SAFETY DATA SHEET

 

Wausau Chemical Corporation, 2001 N. River Drive, Wausau, WI 54403

                                                                             Last Revision:               January 28, 2004

HMIS Hazard 4 – Extreme                  Health              3 3 – High                       Fire                  0 2 – Moderate               Reactivity         0 1 – Slight                      Other            Oxdr 0 - Least

Emergency       CHEMTREC               800-424-9300

Phones:            Wausau Chemical         715-842-2285

SECTION 1 - MATERIAL IDENTIFICATION

 

 

 

NAME:            NITRIC ACID-56%-38 ^oBaume

FORMULA:                HNO₃              M.W. = 63.02

SYNONYMS:             Aqua Fortis; Azotic Acid

MANUFACTURER:   Royster Clark Inc.

SECTION 2  - HAZARDOUS INGREDIENTS

 

 

 

HAZARDOUS CHEMICAL               CAS #             PERCENT       PEL/TWA        SARA III, SEC 313    

Nitric Acid                                           7697-37-2       56-58%           2 ppm                          YES

Water                                                   7732-18-05     42-44%           NA                              NO

SECTION 3 – CHEMICAL AND PHYSICAL PROPERTIES

 

 

 

Appearance:           Colorless to light yellow liquid         Boiling Point (^oF):                                 244^oF

Odor:                     Pungent, irritating                            Freezing Point (^oF):                               -44^oF

pH:                         Less than 1                         Specific Gravity (H₂O=1 @ 60^oF):       1.330

Water solubility:                        100%                           Vapor Pressure, mm Hg, 20^oC: Less than 1

Vapor Density (air=1):  NA                              Volatile Organic (VOC) content:           NA

Evaporation Rate (Butyl Acetate = 1)                NA

SECTION 4 – FIRE AND EXPLOSION HAZARDS

 

 

Flash Point (Method):               NA                  Explosive Limits: Lower            NA      Upper              NA     

Flammable Limits:                     NA                  Auto Ignition Temperature:        NA

Extinguishing Media:                 Flooding quantities of water spray, dry chemical, carbon dioxide or alcohol resistant foam.

 

Special Fire Fighting Procedures and Hazards:  Do not use solid water spray near ruptured tanks or spills. Water may react with acid and cause splattering. Wear chemical protective clothing and positive pressure self-contained breathing apparatus. Approach upwind to avoid toxic vapors.

 

Unusual Fire & Explosion Hazards:                               Nitrogen oxides could be present from vented or ruptured tanks, if water stream is added; considerable heat could be generated, and splattering could occur.

SECTION 5 – REACTIVITY INFORMATION

 

 

Stable:    X  Unstable:               Hazardous Polymerization:   Occurs:                 Does not Occur:           X

Conditions to Avoid:                 None known.

 

Materials to Avoid:                   Most metals, metallic powders, carbides, hydrogen sulfide, turpentine, organic acids, combustibles, organics, and readily oxidized materials

 

Decomposition Products:          Nitrogen oxides and possible hydrogen

Nitric Acid-56%-38 ^oBaume                                                                                                              Page 2

SECTION 6 – HEALTH HAZARDS – PROTECTIVE MEASURES  – FIRST AID

 

 

Carcinogen:      No

EYES:              Severe eye irritant could cause corneal burns and conjunctivitis. Use chemical goggles when handling this product. In the event of contact flush with water for 15 minutes. Get medical attention if symptoms develop.

 

SKIN:              Can cause skin irritation and corrosive burns. Use neoprene or rubber gloves and apron when handling this product. In the event of contact wash with water for 15 minutes. Get medical attention if symptoms develop.

 

INHALATION:           Mist or vapors can cause irritation or corrosive burns to the respiratory system. Lung irritation, nitrogen oxide poisoning and pulmonary edema could occur at higher concentrations. Remove victim to fresh air. If not breathing, perform artificial respiration. Get immediate medical attention.

 

INGESTION:  Corrosive to the mouth, esophagus, mucous membranes, respiratory tract, and stomach. Drink large amounts of water or milk. Do Not induce vomiting. Get immediate medical attention.

 

IN ALL CASES:          GET PROMPT MEDICAL ATTENTION IF ADVERSE EFFECTS PERSIST

PRIMARY ROUTES OF ENTRY:      Skin, eyes, inhalation, ingestion.

 

HYGIENE:      Wash hands and face before eating or drinking. Wash soiled clothing before wearing again if contact occurs.

SECTION 7 – PRECAUTIONS FOR SAFE HANDLING, STORAGE AND USE

 

 

 

SPILLS AND LEAKS:            Contain to prevent loss to the environment. Dilute small spills with alkali. Be sure to have adequate ventilation. Collect excess material. Do not flush any residual to a sanitary sewer or waterway.

 

STORAGE AND HANDLING:           Keep containers tightly closed. Store in cool, well-ventilated area. Avoid storage on wood floors or near wood walls or other combustible materials.

 

WASTE DISPOSAL:              Acid should be diluted and neutralized carefully. Follow recommendations of local, state and federal regulations.

 

EMPTY CONTAINERS:        Replace and firmly tighten closures. Return to Wausau Chemical Corp.

SECTION 8 – REGULATORY INFORMATION

 

 

 

DOT SHIPPING DESCRIPTION:      Nitric Acid, 8, UN2031, PG II

 

LABEL REQUIRED:                           Corrosive

The information contained herein is given in good faith, but no warranty, representation, inducement or license of any kind is made, except that the information is accurate to the best of Wausau Chemical Corporation’s knowledge, or is obtained from sources believed by Wausau Chemical Corporation to be reliable and accurate. Wausau Chemical Corporation does not assume any legal responsibility for use or reliance upon the information being furnished. Customers are encouraged to conduct their own tests. Before using any product, read the container label directions as well as the Material Safety Data Sheet.

 

 

 

 

 

 

ND – Not Determined              NA – Not Applicable               NE – Not Established